{"nhtsa_id":11036580,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-09-01","date":"2026-08-10","document_id":"CBR 159 202608","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Mack Trucks Equipped With A Cummins Engine - Engine Preheat Icon Does Not Illuminate In The Instrument Cluster (IC) During Engine Pre-heat (Intake Air Heater) Operation - Vehicles With 2018Instrument Cluster Update, Model Year2018 And Newer","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036580-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036580-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036580","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"ANTHEM (AN)","year_from":2018,"year_to":2027,"match":"base","vehicle_ids":["2018_mack_anthem","2019_mack_anthem","2020_mack_anthem","2021_mack_anthem","2022_mack_anthem","2023_mack_anthem","2024_mack_anthem","2025_mack_anthem","2026_mack_anthem","2027_mack_anthem"]},{"make":"MACK","model":"CHU","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXU","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GRANITE (GR)","year_from":2019,"year_to":2027,"match":"base","vehicle_ids":["2019_mack_granite","2020_mack_granite","2021_mack_granite","2022_mack_granite","2023_mack_granite","2024_mack_granite","2025_mack_granite","2026_mack_granite","2027_mack_granite"]},{"make":"MACK","model":"GRANITE (GU)","year_from":2018,"year_to":2019,"match":"base","vehicle_ids":["2018_mack_granite","2019_mack_granite"]},{"make":"MACK","model":"PINNACLE (PI/PN)","year_from":2018,"year_to":2027,"match":"base","vehicle_ids":["2018_mack_pinnacle","2019_mack_pinnacle","2020_mack_pinnacle","2021_mack_pinnacle","2022_mack_pinnacle","2023_mack_pinnacle","2024_mack_pinnacle","2025_mack_pinnacle","2026_mack_pinnacle","2027_mack_pinnacle"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}